Questions and exercises are given by the computer, which decides ________ to move the students ahead, review an easier level,________ give more work on the same level.A. either; or B. both; andC. whether; or

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/27 20:58:55

Questions and exercises are given by the computer, which decides ________ to move the students ahead, review an easier level,________ give more work on the same level.
A. either; or B. both; and
C. whether; or D. not only; but also

C 根据句子意思的要求,有“是否是.还是.”,其它的几个关联连词词义不符合要求.
问题和练习题由计算机提供,计算机来盘点是否让学生们往前学,复习一个更容易的级别,还是在同一个级别里给出更多的学习任务.

C

Questions and exercises are given by the computer, which decides not only to move the students ahead, review an easier level,but also give more work on the same level.